Briggs and Stratton Sprint, Classic and Quattro Engines

• Briggs and Stratton Sprint, Classic and Quattro vertical crankshaft ( rotary lawn mower type ) engines typically range from 3.5HP to 4.5HP and are identified as 35, 375, 40, 45 etc.



• Their Briggs&Stratton Engine Model numbers start with either 9 or 10.



• They have a foam type air filter in a canister on top of the carburetor with a single long screw.



• There is a rubber push primer on the side of the carburetor for cold engine starting



• The carburetor is mounted on top of the metal fuel tank.

Briggs and Stratton Quantum (2) Engines

• Briggs and Stratton Quantum (2) vertical crankshaft ( rotary lawn mower type ) engines typically range from 3.5HP to 6HP and are identified as 35, 375, 40, 50, 60.
  There are also various ranges within the Briggs&Stratton Quantum engine group such as:
  Power, XTE, XM, I/C



• Their Briggs&Stratton Engine Model numbers start with 12.



• They have a paper type air filter on the side of the carburetor within a plastic cover.



• There is either a cable controlled choke, or a rubber push primer on the front of the carburetor for cold engine starting



• The carburetor is a float type mounted to the side of the engine.



• The fuel tank is plastic and wraps around the back of the engine.



• The oil dipstick is located at the right rear corner of the engine viewed from behind the engine and is a bayonet fitting.

Briggs and Stratton Intek Engines

• Briggs and Stratton Intek vertical crankshaft ( rotary lawnmower type ) engines typically range from 5HP to 6.5HP and are identified as 50, 60, 65.
  
  
• The Briggs&Stratton Intek is the Overhead Valve version of the Quantum (2) engine and are often fitted to larger, higher spec. rotary lawn mowers or small ride on lawn mowers.They have the typical metal overhead valve cover. Many of the spare parts are similar to those of the Quantum engine.



• Their Briggs&Stratton Engine Model numbers start with 12.



• They have a paper type air filter on the top of the carburetor within a plastic cover.



• There is either a cable controlled choke, or a rubber push primer on the front of the carburetor for cold engine starting



• The carburetor is a float type mounted to the side of the engine.



• The fuel tank is plastic and wraps around the back of the engine.



• The oil dipstick is located at the right rear corner of the engine viewed from behind the engine and is a bayonet fitting.

Older Briggs and Stratton Engines

• Briggs and Stratton Quantum (1)

  This vertical crankshaft ( rotary lawn mower type ) engine is typically 3.5HP and is identified as such.



• Its Briggs&Stratton Engine Model numbers start with 10.



• It has a rectangular paper type air filter on the side carburetor within a plastic cover.



• There is a cable controlled choke for cold engine starting



• The carburetor is a float type mounted to the side of the engine.



• The fuel tank is plastic and wraps around the back of the engine.



• It is fitted to lawn mowers and equipment manufactured around 1990



• It differs from the later Quantum (2) lawn mower engine in that its oil dipstick is centrally mounted at the back of the engine.
  Its recoil starter is mounted on the side of the engine and pulls upwards(vertically)

• Briggs and Stratton Max

  This vertical crankshaft ( rotary lawn mower type ) engine is typically 3.5HP or 4HP and is identified as such.



• Its Briggs&Stratton Engine Model numbers start with 9 or 11



• It has a rectangular paper type air filter approx 16cm x 11.5cm, on the side carburetor within a plastic cover.



• There is a cable controlled choke for cold engine starting



• The carburetor is a float type mounted to the side of the engine.



• The fuel tank is plastic and wraps around the back of the engine.



• The oil dipstick is located at the right rear corner of the engine viewed from behind the engine and screws down into place.

• Other Older Briggs and Stratton Engines

  There are many other vertical crankshaft ( rotary lawn mower type ) engines typically ranging between 3HP to 5HP and are identified as such.



• They have a foam type air filter in a canister on top of the carburetor with a single long screw.



• There is a cable controlled or automatic choke for cold engine starting



• The carburetor is mounted on top of the metal fuel tank.